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Case Excavator Engine Crankshafts

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Case Excavator Engine Crankshafts parts list
Image Fits Model Description Part # Price Product Details
Case Cummins 4B crankshaft 3907803 See Details 580SE, 580K, 580SK, 580L, 580SL, 590T, 590SL, 580M, 580SM, 590SM, 570LXT, 570MXT, 584E, 585E, 586E, 585G, 586G, 588G, 450C, 550G, 550H, 650G, 650H, 650K, 750H, 750K, 1840, 1845C, 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT, W11B, W14B, 660, 760, 686G Crankshaft (Cummins 4B & 4BT) 3907803
$590.00
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Case Cummins 6590 Engine Crankshaft -- J918324 | Broken Tractor See Details 680K, 680L, 780C, 780D, 850D, 850E, 850G, 850H, 850K-I, 1150E, 1150G, 1150H, W14B, W14C, 621, 621B, 621C, 880D, 1088, 9030, 9030B Crankshaft (Cummins) J918324
From $874.00
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Replacement engine crankshafts for Case excavators running Cummins 4-390, 4T-390, 6590, and 6T590 engines, covering forged crankshaft assemblies for compact and mid-size excavator platforms.

Fits Models At A Glance

  • Compact Excavators: 9030, 9030B
  • Mid-Size Excavators: 1088

Key Notes

  • Application: Rotating assembly that converts piston travel into crankshaft rotation.
  • Engine Fit: Cummins 4-390, 4T-390, 6590, and 6T590 diesel engines.
  • Condition: New and used crankshafts available depending on model.
  • Journals: Machined main and rod journals ready for standard bearings.

Why Choose Broken Tractor

  • ✅ Verified fitment before every crankshaft ships
  • ✅ Fast shipping from two U.S. locations
  • ✅ Knowledgeable team backing every Case order
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Product: Category: Case Excavator Engine Crankshafts Brand: Head Title: Case Excavator Engine Crankshafts | Broken Tractor